Is this long-plain and rocky terrace surrounded with forest full of big trees,and locates at Ou Chum commune,Ou Chum District,Ratanakiri province.Viel Rum Blong can be accessible by the provincial road from Ban Lung town to Ou Chum District sbout 10-kilometer distance,then turning right at the four-conjunction road to Ta Veng District about four Kilometer more.
A story of Kreung minority said that:Once upon the time ,there was a boy named Rum Blong who flew a kite in this rocky terrace.the kite fell down and got stuck at the top of the tree.The climbed up the tree to take the kite ,but Unfortunately the boy fell down from the tree and Since that time ,the Kreung national who live at the nearby village believe that spirit of the boy,Rum Blong is living here for protecting the forest around the terrace.So that ,they dare not to cut down the forest to plant their crops because they believe the forest belongs to the spirit.So the name of the terrace "Rum Blong "comes from the boy's name since that time.
Visitors who visit the rocky terrace are usually packaging their food along for having picnic here.